Pith Number

pith:7COBQZQF

pith:2019:7COBQZQFUY6QU6WHCTVI2PLW2S

not attested not anchored not stored refs pending

Exploring circumstellar effects on the lithium and calcium abundances in massive Galactic O-rich AGB stars

A. I. Karakas, A. Manchado, B. Plez, D. A. Garc\'ia-Hern\'andez, M. Lugaro, O. Zamora, T. Masseron, V. P\'erez-Mesa, Y. Osorio

arxiv:1902.04309 v1 · 2019-02-12 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7COBQZQFUY6QU6WHCTVI2PLW2S}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:50:08.141989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f89c186605a63d0a7ac714ea8d3d76d484e062a7d9a79d4582086b1c4d0e4a06

Aliases

arxiv: 1902.04309 · arxiv_version: 1902.04309v1 · doi: 10.48550/arxiv.1902.04309 · pith_short_12: 7COBQZQFUY6Q · pith_short_16: 7COBQZQFUY6QU6WH · pith_short_8: 7COBQZQF

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/7COBQZQFUY6QU6WHCTVI2PLW2S \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f89c186605a63d0a7ac714ea8d3d76d484e062a7d9a79d4582086b1c4d0e4a06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bde32af7a31b8269644c1488a2a52efb6e62216f34705044f203e047f03b56da",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-02-12T10:06:16Z",
    "title_canon_sha256": "c957521951e2d14f517549b55123159f250234bb3dc1bcc787ab81048d85a7f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04309",
    "kind": "arxiv",
    "version": 1
  }
}